Updates Pista or SuperPista pumps (prior to 2013/2008 respectively)- Rebuilt pump will be more accurate and require less effort than it did when new- 242 bell-chuck version includes: full metal 200psi pressure gauge (3% accuracy), Continental 200+psi hose and Swiss-made clamps, 731 leather piston gasket, NFS pump lube (pump blood), 242 full synthetic chuck gasket- 323 reversible-chuck version includes: full metal 200psi pressure gauge (3% accuracy), Continental 200+psi hose and Swiss-made clamps, 731 leather piston gasket, NFS pump lube (pump blood), 323 full synthetic chuck gasket